WREN & MARTIN's English grammar-Modals (Must, Ought to, Used to): 10 Practice MCQs


Modals (Must, Ought to, Used to): 10 Practice MCQs

1. We _______ obey the laws of the land.

A. must

B. used to

C. ought

D. might

2. You _______ to help your elderly neighbors.

A. must

B. used to

C. ought

D. should

3. I _______ to play cricket when I was a boy.

A. must

B. ought

C. used

D. should

4. All _______ die; such is the law of nature.

A. used to

B. ought to

C. must

D. could

5. We _______ to love our neighbors.

A. must

B. ought

C. used

D. might

6. You _______ look at the map before you start.

A. must

B. used to

C. ought

D. could

7. There _______ to be a famous temple here years ago.

A. must

B. ought

C. used

D. should

8. Candidates _______ answer all the questions.

A. used to

B. must

C. ought

D. might

9. We _______ to have finished the work by now.

A. used

B. must

C. ought

D. can

10. She _______ not to have spoken like that.

A. must

B. used

C. ought

D. should


Answer Key

QuestionAnswerRule / Explanation
1AMust is used to express strong obligation or compulsion.
2COught to expresses moral obligation (hint: 'to' follows it).
3CUsed to expresses a discontinued habit in the past.
4CMust is used for things that are certain or inevitable.
5BOught to is used for moral duty or desirability.
6AMust is used to express the speaker's advice or recommendation.
7CUsed to can express a past state or existence that is no longer true.
8BMust is used in formal notices or instructions.
9COught to have expresses an unfulfilled expectation.
10COught not to have expresses disapproval of a past action.

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